How to reproduce:
1. Open the attached “IN-119173” project
2. Open the “SampleScene”
3. Select the “Cube” GameObject in the Hierarchy
4. Open the ProBuilder UV Editor window (Tools → ProBuilder → Editors → Open UV Editor)
5. Select the ProBuilder context tool from the Scene tools overlay
6. In the Tool Settings tab, select the “Face Selection” button
7. Select any face on the “Cube” GameObject
8. In the UV Editor window, drag one of the arrows to move the face
9. Observe the result

Expected result: When releasing the arrow, the face stays in its current position
Actual result: When dragging and releasing the face, it snaps to a different position

Reproducible with: 5.0.7 (2023.1.0a4, 2023.2.0a1), 6.0.7 (6000.0.62f1, 6000.2.12f1, 6000.3.0b10, 6000.4.0a4, 6000.5.0a1)

Reproducible on: Windows 11
Not reproducible on: No other environments tested